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OpenStudy (anonymous):
An object with a mass of 1 kg is dropped from rest from a height of 4 meters above the ground. Its total mechanical energy is _____________. Show your work and units! HALP PLS ASAP I`LL DO ANYTHING
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OpenStudy (anonymous):
Mechanical energy=PE +KE =mgh +1/2mv^2 =1×10×4+0 =40 joules
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